Mem0 AI vs Milvus: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Mem0 AI and Milvus side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Mem0 AI leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Mem0 AI
The universal, self-improving AI memory layer for LLM applications.
Best for you if:
- • You want significantly reduces token costs for LLM applications
Milvus
Open-source vector database for AI
Best for you if:
- • You want a fully free tool (Mem0 AI requires payment)
| At a Glance | Mem0 AI | Milvus |
|---|---|---|
Starts at | Free plan, paid from $19/mo, billed monthly Starter plan | Free plan, paid from $126/mo, billed monthly Zilliz Dedicated (Standard) plan |
Category | Data & Databases AI & Automation | Vector Databases Data & Databases |
Rating | n/a | 4.8/5 Capterra 4.8 · G2 4.7 310 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Overage fees for vCUs on Serverless tier |
Choose Mem0 AI or Milvus?
Choose Mem0 AI if
- You want significantly reduces token costs for LLM applications
- You want enhances user experience through personalized AI interactions
- Budget matters ($19/mo, billed monthly vs $126/mo, billed monthly)
- You work in data & databases, not vector databases
Choose Milvus if
- You want a fully free tool (Mem0 AI requires payment)
- You want high performance
- You want scalable
- You work in vector databases, not data & databases
In-Depth Analysis
Mem0 AI
The universal, self-improving AI memory layer for LLM applications.
Mem0 AI's pricing is quite generous for individual developers and small projects with its robust Hobby and Starter tiers at Free and $19/month respectively.
Strengths
- Pro: Significantly reduces token costs for LLM applications.
- Pro: Enhances user experience through personalized AI interactions.
- Pro: Easy to integrate with existing LLM frameworks.
- Pro: Provides tools for monitoring and optimizing memory usage.
- Pro: Offers a free tier for developers and small teams.
Weaknesses
- Con: The free Hobby plan has a limit of 10,000 memories and 1,000 retrieval API calls per month, which might be restrictive for rapidly growing projects.
- Con: Advanced features like Graph Memory, Advanced Analytics, and multiple project support are only available on higher-tier plans (Pro and Enterprise).
- Con: On-prem deployment, SSO, audit logs, and custom integrations are exclusive to the Enterprise plan, requiring a custom quote.
Key features
Milvus
Open-source vector database for AI
Milvus offers a very generous pricing model, especially with its robust open-source option and the Zilliz Cloud Free tier providing 5GB storage and 2.5M vCUs/month at no cost.
Watch out
Overage fees for vCUs on Serverless tier
Strengths
- Pro: High performance
- Pro: Scalable
- Pro: Open source
- Pro: Good for large scale
- Pro: Active development
Weaknesses
- Con: Complex operations
- Con: Heavy resource usage
- Con: Learning curve
- Con: Kubernetes recommended
- Con: Documentation dense
Key features
Plans and prices: Mem0 AI vs Milvus
| Tool | Plans and prices | Source |
|---|---|---|
| Mem0 AI |
| mem0.ai/pricing read Oct 23, 2026 |
| Milvus |
| zilliz.com/pricing read Oct 26, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Mem0 AI pricing and Milvus pricing.
Key Takeaways
Mem0 AI
- Lower entry price: $19/mo, billed monthly vs $126/mo, billed monthly
Milvus
- Choose if you want open-source vector database for AI
What the data shows
On the data below, Mem0 AI leads on lower entry price. We do not name an overall winner for this pair.
- Only Milvus has a published user rating (4.8/5 from 310 reviews); Mem0 AI has none we can show.
- Mem0 AI has the lower entry price: $19/mo, billed monthly (Starter) against $126/mo, billed monthly (Zilliz Dedicated (Standard)) for Milvus.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Mem0 AI and Milvus compare in 2026?
On the data below, Mem0 AI leads on lower entry price. We do not name an overall winner for this pair. Only Milvus has a published user rating (4.8/5 from 310 reviews); Mem0 AI has none we can show. Mem0 AI has the lower entry price: $19/mo, billed monthly (Starter) against $126/mo, billed monthly (Zilliz Dedicated (Standard)) for Milvus. Both have a free plan.
What are Mem0 AI and Milvus used for?
Mem0 AI: The universal, self-improving AI memory layer for LLM applications. Milvus: Open-source vector database for AI.
What does Mem0 AI cost vs Milvus?
Mem0 AI's cheapest paid plan is Starter at $19/mo, billed monthly; it also has a free plan. Milvus's cheapest paid plan is Zilliz Dedicated (Standard) at $126/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Oct 26, 2026.
What's the main difference between Mem0 AI and Milvus?
Mem0 AI's main strength: significantly reduces token costs for LLM applications. Milvus's main strength: high performance.